Generation Z constitutes the primary user base of TikTok, exhibiting high levels of engagement; however, studies positioning them as active agents in the formation of self-identity on social media remain limited. This study aims to analyze the construction of Generation Z identity through audiovisual content creation, visual narratives, and social interactions on TikTok. The research focuses on self-expression, identity negotiation, and social meanings emerging from digital communication practices. A qualitative approach with a digital ethnography design was employed, involving observation and documentation of public video content tagged “Generation Z” and relevant comments, complemented by open-ended questionnaires distributed to 59 Generation Z students active on TikTok. Data were analyzed through filtering, categorization, and interpretation, guided by Berger and Luckmann’s social construction theory, emphasizing externalization, objectivation, and internalization. The findings indicate that Generation Z’s digital identity is flexible, fluid, and continuously negotiated through audience interactions and evolving trends. These results confirm that TikTok is not merely a space for entertainment but a significant arena for self-expression and social identity formation. Theoretically, this study enriches the sociology of generations and digital media scholarship while providing deeper insight into youth identity formation within social media spaces
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